Very likely a bad power supply block. Not hard to replace. It's the same part as used in HP Laserjets of the period. My old notes say these are the suitable part numbers. Of course, you can recap/repair the one you have.
RG9-0205
RG9-0319
HP SX-ACPM-B
A little thread necro, but look at what I found in the teardown pile at Free Geek Twin Cities! Fastpath 5R - basically two FP5 boards in a rackmount case.
I never thought I'd see one in the wild.
Bummer is that it has only the 10Base-2 modules. Would love to find/trade for either the AUI...
Free Geek Twin Cities recently got a donation of a Franklin Ace 2200, but unfortunately without they keyboard.
I thought I would ask here in case anyone might have a spare or know of some other solutions to at least see what the functionality is of this guy. I see some older posts on VCF.org...
Oh yes - done and done! :) I had thought I removed the battery from my ANS, but a new logic board/CPU/RAID card later were the price for not checking! Was able to source the logic board and CPU as Apple parts, but had to get a generic Mylex RAID card and move over the Apple specific ROM from...
Nice! Be aware that with the battery out (which is a good idea, ask me how I know) the NVRAM may not hold the boot device string. Make a note of it if you can. For example, with my ANS with RAID card, the boot command is
boot pci1/dac960/sd@8:aix
You can set this in NVRAM with the setenv...